Grunt
Grunt: The JavaScript Task Runner
Angular Js Boilerplate
Simple AngularJS Boilerplate to kick start your new project with SASS support and Gulp watch/build tasks
Jasmine Ajax
jasmine-ajax - A library for faking Ajax responses in your Jasmine suite.
Holder
Holder renders image placeholders entirely on the client side.
Bower
A package manager for the web, created at Twitter
Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJS
Angular Debaser
Just a better way to test AngularJS apps.
Yarn
Fast, reliable, and secure dependency management.
Nightwatch
UI automated testing framework based on node.js and selenium webdriver
Spa Eye
Backbone debugger for Firefox
Js Cover
JSCover is a tool that measures code coverage for JavaScript programs.
Trace Kit
Attempts to create stack traces for unhandled JavaScript exceptions in all major browsers.
Gulp
The streaming build system
Fast Check
Property based testing framework for JavaScript (like QuickCheck) written in TypeScript
Csscritic
A lightweight framework for regression testing of Cascading Style Sheets
Nock
HTTP mocking and expectations library
Stacktrace.js
Framework-agnostic, micro-library for getting stack traces in all web browsers